Mark Rettenmaier, M.D.
NPI 1134166697 · Gynecologic Oncology Physician · Orange, CA
Mark Rettenmaier, M.D. is a Gynecologic Oncology Physician provider in Orange, CA (NPI 1134166697).
Provider details
- NPI number
- 1134166697
- Entity type
- Individual
- Primary specialty
- Gynecologic Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A32692 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-01
- Last updated
- 2017-12-20
Frequently asked questions
- What is Mark Rettenmaier's NPI number?
- Mark Rettenmaier's National Provider Identifier (NPI) is 1134166697, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Rettenmaier's specialty?
- Mark Rettenmaier is listed in the NPPES registry with a primary specialty of Gynecologic Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Rettenmaier located?
- Mark Rettenmaier's practice location on file with NPPES is 1010 W La Veta Ave, Orange, CA 92868-4306.
- What is Mark Rettenmaier's phone number?
- The practice phone number listed in the NPPES registry for Mark Rettenmaier is (949) 705-9015.
- Is Mark Rettenmaier's NPI active?
- Yes — Mark Rettenmaier's NPI (1134166697) is active in the NPPES registry as of the last update on 2017-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.